CN117211745A - Large-displacement cable control, measurement and adjustment intelligent water distributor - Google Patents
Large-displacement cable control, measurement and adjustment intelligent water distributor Download PDFInfo
- Publication number
- CN117211745A CN117211745A CN202311157769.XA CN202311157769A CN117211745A CN 117211745 A CN117211745 A CN 117211745A CN 202311157769 A CN202311157769 A CN 202311157769A CN 117211745 A CN117211745 A CN 117211745A
- Authority
- CN
- China
- Prior art keywords
- hole
- water
- joint
- sleeve
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 title abstract description 5
- 238000002347 injection Methods 0.000 claims abstract description 72
- 239000007924 injection Substances 0.000 claims abstract description 72
- 210000002445 nipple Anatomy 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Abstract
The application discloses a large-displacement cable control, measurement and adjustment intelligent water distributor, which comprises an upper connector, a body and a lower connector which are connected in sequence; an axial through hole is formed in each of the upper joint and the lower joint, and a cable joint and a bus joint are arranged in the axial through hole; a sealing cavity is arranged in the body, and a control unit, an adjusting module, a water nozzle sleeve and a pressure nipple which are connected with each other are sequentially arranged in the sealing cavity from top to bottom; the upper end of the control unit forms a wiring port, and the lower end is connected with a wiring joint; the motor module of the adjusting module is connected with an adjusting shaft, and the adjusting shaft reciprocates up and down in the water outlet round hole; the upper part and the lower part of the water nozzle sleeve are respectively provided with a water outlet round hole and a water inlet round hole, and a ceramic pore plate is arranged between the water inlet round hole and the water outlet round hole; the communication of the pressure nipple, the communication of the power line and the adjusting module and the power line are jointly connected to the connecting line joint. The injection distributor can enter a well along with the water injection pipe column, realize multi-layer section and large-displacement intelligent separate injection of the offshore oilfield slim hole water injection well, and monitor downhole flow and pressure data in real time.
Description
Technical Field
The application relates to the technical field of layered water injection in offshore oilfield oil extraction technology, in particular to an intelligent water distributor for controlling, measuring and adjusting a large-displacement cable.
Background
The water injection development is used as an important technical means for ensuring long-term high and stable production of the oil field, and is widely applied to national land oil fields and offshore oil fields. The offshore oilfield interlayer has serious non-uniformity and large interlayer injection pressure difference, and the water injection quantity of each layer needs to be accurately controlled by adopting a multi-layer section fine water injection process so as to achieve the most efficient water injection yield increase effect. The existing offshore oilfield water injection process takes cable control intelligent water injection as a main operation, can realize real-time monitoring of underground parameters of a water injection well and online allocation of separate water injection quantity, does not occupy an operation window, is not limited by well deviation, and meets the separate water injection requirement of multiple layers of sections of the offshore oilfield. However, the technology is only applied to 4.75' sand prevention inner drift diameter water injection well at present, and the technology can not effectively meet the intelligent water injection measurement and adjustment requirement of small size and large discharge capacity of a small-bore water injection well.
Disclosure of Invention
The application provides an intelligent water distributor for controlling, measuring and adjusting a large-displacement cable, which aims to solve the problem that the existing water distributor cannot meet the layered test, adjustment and large-displacement injection of a water injection well of a small-borehole with a large inclination in an offshore oil field. The water distributor can realize multi-layer section and large-displacement intelligent separate injection of the offshore oilfield slim hole water injection well, and monitor underground flow and pressure data in real time.
The application is realized by adopting the following technical scheme.
An intelligent water distributor for controlling, measuring and adjusting a large-displacement cable comprises an upper connector, a body and a lower connector which are connected in sequence; an eccentric flow passage is formed in the upper connector, an axial through hole is formed at one side of the eccentric flow passage, a first cable connector is arranged at the upper part of the axial through hole, and a first bus connector is arranged at the lower part of the axial through hole; an eccentric flow passage is formed in the lower connector, an axial through hole is formed at one side of the eccentric flow passage, a second bus connector is arranged at the upper part of the axial through hole, and a second cable connector is arranged at the lower part of the axial through hole;
an injection channel and a sealing cavity are axially arranged in the body, and the injection channel is communicated with eccentric flow channels of the upper joint and the lower joint; the middle lower part of the injection channel and the sealing cavity partition wall radially penetrates through the water inlet hole; the middle part of the outer wall of the body is radially penetrated with a water injection hole;
a control unit, an adjusting module, a water nozzle sleeve and a pressure nipple which are connected with each other are sequentially arranged in the sealing cavity from top to bottom; the upper end of the control unit is provided with a wiring port, and the lower end of the control unit is connected with a wiring joint; the adjusting module comprises a motor module, the motor module is connected with an adjusting shaft through a transmission shaft, and the adjusting shaft reciprocates up and down in the water outlet round hole; the upper part and the lower part of the water nozzle sleeve are respectively provided with a water outlet round hole and a water inlet round hole which radially penetrate through, and the positions of the water inlet round hole and the water outlet round hole respectively correspond to the water inlet hole and the water injection hole; a ceramic pore plate is arranged between the water inlet round hole and the water outlet round hole in the water nozzle sleeve; the communication of the pressure nipple, the communication of the power line and the adjusting module and the power line are connected to the connecting line joint together.
Further, the upper joint is connected with the body through a first connecting sleeve and a first pressing block; the body is connected with the lower joint through a second connecting sleeve and a second pressing block.
Further, the first pressing block is in threaded connection with the outer wall of the lower end of the upper joint, the first connecting sleeve is sleeved outside the first pressing block, and the middle part of the inner wall of the first connecting sleeve is in threaded connection with the outer wall of the upper end of the body; the second pressing block is in threaded connection with the outer wall of the lower end of the body, the second connecting sleeve is sleeved outside the second pressing block, and the middle part of the inner wall of the second connecting sleeve is in threaded connection with the outer wall of the upper end of the lower joint.
Further, a first anti-rotation block is arranged between the lower end of the upper joint axial through hole and the upper end of the sealing cavity; and a second anti-rotation block is arranged between the lower end of the sealing cavity and the upper end of the axial through hole of the lower joint.
Further, the control unit comprises a control module, a protection cylinder is arranged outside the control module, and the lower end of the protection cylinder is connected with the adjusting module through a connecting sleeve.
Further, a sleeve is sleeved outside the motor module, the upper end of the sleeve is connected with the connecting sleeve through the penetrating sleeve, and the lower end of the sleeve is connected with the water nozzle sleeve; and the penetrating sleeve is radially provided with a wire passing hole penetrating through the wall thickness of the single side.
Further, a crescent groove which penetrates axially is arranged between the inner wall and the outer wall of the water nozzle sleeve.
Furthermore, the crescent grooves and the water outlet round holes and the water inlet round holes are distributed at an included angle of 90 degrees on the radial circumference.
Further, the pressure nipple comprises a threading nipple, a pressure sensor module and an outer barrel; the upper end and the lower end of the threading nipple are respectively connected with the water nozzle sleeve and the outer cylinder; the pressure sensor module is integrated inside the outer cylinder; the threading nipple is radially provided with a unilateral through hole.
The application has the following beneficial effects.
(1) The water distributor can realize the downhole parameter monitoring and the layered water injection quantity adjustment of the offshore oilfield slim hole water injection well;
(2) The electric control component in the water distributor is positioned in the eccentric channel of the tool, and a central entering channel is reserved in the tool, so that steel wire and cable operations can be performed;
(3) The water distributor provided by the application adopts full-channel overflow water injection, and can meet the water injection requirement of the offshore oilfield slim hole water injection well during measurement and adjustment under the conditions of large water injection quantity and limited size.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 5 is a schematic view of the structure of the upper joint of the present application;
FIG. 6 is a schematic view of the structure of the lower joint of the present application;
fig. 7 is a schematic view of the structure of the water nozzle cover of the present application.
Wherein, 1, upper joint; 1-1, a first threading through hole; 1-2, a first expanded diameter through hole; 2-1, a first connecting sleeve; 2-2, a second connecting sleeve; 3-1, a first briquetting; 3-2, a second pressing block and a body; 4-1, injecting a channel; 4-2, sealing the cavity; 4-3, water supply holes; 4-4, water injection holes; 5. a lower joint; 5-1, a second expanded diameter through hole; 5-2, a second threading through hole; 6-1, a first cable joint; 6-2, a second cable joint; 7-1, a first bus connector; 7-2, a second bus connector; 8-1, a first anti-rotation block; 8-2, a second anti-rotation block; 9. a control unit; 9-1, a control module; 9-2, a protective cylinder; 10. connecting sleeves; 11. a third briquetting; 12. a wire joint; 13. an adjustment module; 13-1, crossing the sleeve; 13-2, a rubber baffle ring; 13-3, a motor module; 13-4, a sleeve; 13-5, a transmission shaft; 13-6, adjusting the shaft; 14. a ceramic orifice plate; 15. a water nozzle sleeve; 15-1, a crescent groove; 15-2, a water outlet round hole; 15-3, a water inlet round hole; 16. a pressure nipple; 16-1, threading a short joint; 16-2, a pressure sensor module; 16-3. Outer cylinder.
Detailed Description
The application will be further described with reference to the drawings and examples.
As shown in fig. 1-7, the large-displacement cable control and adjustment intelligent water distributor comprises an upper joint 1, a first connecting sleeve 2-1, a second connecting sleeve 2-2, a first pressing block 3-1, a second pressing block 3-2, a body 4, a lower joint 5, a first cable joint 6-1, a second cable joint 6-2, a first bus joint 7-1, a second bus joint 7-2, a first anti-rotation block 8-1, a second anti-rotation block 8-2, a control unit 9, a connecting sleeve 10, a third pressing block 11, a connecting joint 12, an adjusting module 13, a ceramic orifice plate 14, a water nozzle sleeve 15 and a pressure nipple 16.
The upper joint 1 is in threaded connection with the body 4 through a first connecting sleeve 2-1; the body 4 is in threaded connection with the lower joint 5 through a second connecting sleeve 2-2; the control unit 9, the adjusting module 13, the ceramic pore plate 14, the water nozzle sleeve 15 and the pressure nipple 16 are all positioned in the body 4.
Specifically, the upper joint 1 is of a cylindrical structure as a whole, an oil pipe buckle is arranged on the inner wall of the upper end of the cylinder, an irregular eccentric flow passage is arranged on the inner wall of the lower end of the cylinder, smooth transition chamfers are arranged from top to bottom, two sections of necking steps are arranged on the outer wall of the lower end of the cylinder, the upper section of necking step is a smooth outer wall, and a thread structure is arranged on the lower section of necking step; an axial through hole is formed between the inner wall and the outer wall of the upper joint 1, a first threading through hole 1-1 is formed at the upper end of the axial through hole, and a first expanding through hole 1-2 is formed at the lower end of the axial through hole; the first threading through hole 1-1 and the first expanding through hole 1-2 form a step in the axial direction; the upper end of the first threading through hole 1-1 is provided with a first cable connector 6-1, and the lower end of the first threading through hole is provided with a first bus connector 7-1; the inside of the first expanding through hole 1-2 at the lower end is provided with a thread structure which is in threaded connection with the first anti-rotation block 8-1.
The first connecting sleeve 2-1 and the second connecting sleeve 2-2 are of cylindrical structures, the cylinder inner cylinder is provided with three sections of necking steps, the upper section of necking step is of a smooth inner wall, the static sealing structure is arranged, the middle section of necking step is provided with a thread structure, and the lower section of necking step is of a smooth outer wall. The upper section of the first connecting sleeve 2-1 is provided with a smooth inner cylinder axial ring which is sleeved at the smooth outer wall of the lower end of the upper joint 1, and the inner wall thread structure of the middle section is in threaded connection with the upper end of the body 4; the upper section smooth inner cylinder axial ring of the first connecting sleeve 2-2 is sleeved on the smooth outer wall of the lower end of the body 4, and the middle section inner wall thread structure is in threaded connection with the upper end of the lower joint 5.
The first pressing block 3-1 and the second pressing block 3-2 are of cylindrical structures, the outer wall of the cylinder is a smooth cylinder, and the inner wall of the cylinder is a connecting thread. The first pressing block 3-1 is positioned in the first connecting sleeve 2-1 and is connected with a thread structure of the outer wall of the lower end of the upper joint 1; the second pressing block 3-2 is positioned in the second connecting sleeve 2-2 and is in threaded connection with the lower end of the body 4.
The body 4 is cylindrical structure, and the drum outer wall upper end sets up threaded structure, and the lower extreme sets up two sections necking down steps, and lower segment necking down step sets up threaded structure, and upper segment necking down step sets up to smooth outer wall. Two axial through holes are arranged in the body 4 and are respectively an injection channel 4-1 and a sealing cavity 4-2; the injection channel 4-1 is arranged as an irregular eccentric channel and communicated with eccentric flow channels of the upper joint 1 and the lower joint 5; the sealing cavity 4-2 is arranged as an eccentric circular through hole and axially corresponds to the first diameter-expanding through hole 1-2 at the lower end of the upper joint 1 and the second diameter-expanding through hole 5-1 at the upper end of the lower joint 5 respectively; the upper and lower positions of the inner wall of the sealing cavity 4-2 are provided with inner steps around, and are respectively connected with the upper joint 1 and the lower joint 5 in a sealing way through a first anti-rotation block 8-1 and a second anti-rotation block 8-2; a radial strip-shaped water inlet 4-3 is arranged at the middle and lower positions inside the body 4 and communicated with the injection channel 4-1 and the sealing cavity 4-2; an elongated water injection hole 4-4 is formed in the outer wall of the middle of the body 4, radially penetrates through the outer wall of the body 4, and is communicated with the sealing cavity 4-2 and the outside of the water distributor; the sealing cavity 4-2 is internally provided with a control unit 9, an adjusting module 13, a ceramic pore plate 14, a water nozzle sleeve 15 and a pressure nipple 16.
The control unit 9 comprises a control module 9-1 and a protective cylinder 9-2, and the control unit 9 is in threaded connection with the adjusting module 13 through a connecting sleeve 10. The control module 9-1 is fixed inside the protective cylinder 9-2, a wiring port is reserved at the upper end, and the lower part is connected with a wiring joint 12; the upper end of the protection cylinder 9-2 is provided with a circular outlet, the outer wall of the lower end is provided with two sections of necking steps, the upper section of necking steps are provided with smooth outer walls and are in shaft sleeve connection with the connecting sleeve 10, and the lower section of necking steps are provided with a thread structure and are in thread connection with the third pressing block 11;
the adjusting module 13 comprises a penetrating sleeve 13-1, a rubber baffle ring 13-2, a motor module 13-3, a sleeve 13-4, a transmission shaft 13-5 and an adjusting shaft 13-6. The upper end of the adjusting module 13 is connected with the connecting sleeve 10 through the penetrating sleeve 13-1, and the lower end is connected with the water nozzle sleeve 15 through the sleeve 13-4; connecting threads are respectively arranged on the outer walls of the upper end and the lower end of the penetrating sleeve 13-1, an inner through hole is axially arranged, a wire passing hole penetrating through the wall thickness of a single side is radially arranged, the upper end of the penetrating sleeve 13-1 is connected with the connecting sleeve 10, and the lower end is connected with the sleeve 13-4; the power supply line, the signal line and the like of the motor module 13-3 are connected with the connecting line joint 12;
the whole water nozzle sleeve 15 is of a sleeve structure, the upper end of the water nozzle sleeve is provided with a radial through symmetrical water outlet round hole 15-2, the lower end of the water nozzle sleeve is provided with a radial through symmetrical water inlet round hole 15-3, an axial non-through hole is arranged inside the water nozzle sleeve by taking the central axis as the center, the water nozzle sleeve comprises an upper non-through hole and a lower non-through hole, and an axial through crescent 15-1 is arranged between the inner wall and the outer wall of the water nozzle sleeve 15; dynamic sealing structures are arranged on the upper side and the lower side of the water outlet circular hole 15-2 on the inner wall of the water nozzle sleeve 15; static sealing structures are arranged on the upper side and the lower side of a water inlet round hole 15-3 on the outer wall of the water nozzle sleeve 15; the upper end of the upper non-through hole is provided with a connecting thread connected with the sleeve 13-4, and the lower end is provided with a smooth inner wall; the lower non-penetrating hole is provided with connecting threads and is connected with a pressure nipple 16; the crescent groove 15-1, the water outlet round hole 15-2 and the water inlet round hole 15-3 are distributed at an included angle of 90 degrees on the radial circumference;
the ceramic pore plate 14 is positioned in the upper non-through hole of the water nozzle sleeve 15 and is positioned between the water inlet round hole 15-3 and the water outlet round hole 15-2;
the pressure nipple 16 comprises a threading nipple 16-1, a pressure sensor module 16-2 and an outer barrel 16-3; the upper end and the lower end of the threading nipple 16-1 are respectively in threaded connection with the water nozzle sleeve 15 and the outer cylinder 16-3; the pressure sensor module 16-2 is integrated inside the outer cylinder 16-3; the threading nipple 16-1 is radially provided with a single-side through hole; the pressure sensor module 16-2 contains a plurality of pressure gauges that monitor pressure data across the ceramic orifice plate 14.
The lower joint 5 is integrally in a cylindrical structure, the lower end of the inner wall of the cylinder is provided with an oil pipe buckle, the upper end of the cylinder is provided with an irregular eccentric flow passage, smooth transition chamfers are arranged from top to bottom, and the upper end of the outer wall of the lower joint 5 is provided with a thread structure; an axial through hole is arranged between the inner wall and the outer wall of the lower joint 5, a second expanding through hole 5-1 is arranged at the upper end of the axial through hole, and a second threading through hole 5-2 is arranged at the lower end of the axial through hole; a thread structure is arranged in the second upper end expanded diameter through hole 5-1 and is in threaded connection with the second anti-rotation block 8-2; the second threading through hole 5-2 and the second expanding through hole 5-1 are provided with steps in the axial direction; the lower end of the second threading through hole 5-2 is provided with a second cable connector 6-2, and the upper end is provided with a second bus connector 7-2.
The first anti-rotation block 8-1 and the second anti-rotation block 8-2 are integrally of a sleeve structure, an axial through hole is formed in the inner part of the first anti-rotation block, one end of the outer wall is provided with connecting threads, and the other end of the outer wall is provided with a plurality of static seals;
and an O-ring static sealing structure is adopted among the upper joint 1, the first connecting sleeve 2-1, the body 4, the second connecting sleeve 2-2 and the lower joint 5.
The communication and power lines of the pressure nipple 16 pass through a single-side through hole of the threading nipple 16-1, a crescent groove 15-1 of the water nozzle sleeve 15, a gap between the sleeve 13-4 and the sealing cavity 4-2 and the communication and power lines of the adjusting module 13 after passing through a wire passing hole of the sleeve 13-1 are jointly connected to the connecting wire joint 12, the connecting wire joint 12 is connected with the control unit 9, the control unit 9 is connected with the first bus joint 7-1, and the first bus joint 7-1 is connected with the cable joint 6-1, so that the power supply and the signal transmission of the large-displacement cable control-adjusting intelligent water distributor are realized.
The second cable joint 6-2 is connected with the second bus joint 7-2 through communication and a power line, and the communication and the power line of the second bus joint 7-2 are connected with the first bus joint 7-1, so that the power supply and the communication of the lower intelligent water distributor are realized.
The pressure sensor module 16-2 in the pressure nipple 16 can monitor the injection pressure before and after the ceramic orifice plate 14, transmit data to the control unit 9 and store the data in the control module 9-1 of the control unit 9; the control unit 9 can control the motor in the motor module 13-3 to rotate, when the control unit 9 controls the motor to rotate positively, the adjusting shaft 13-6 moves downwards axially and gradually shields the water outlet round hole 15-2, so that the opening degree of the water outlet round hole 15-2 is gradually reduced until the water outlet round hole 15-2 is completely shielded, and the adjusting shaft 13-6 continues to move downwards until the water outlet round hole 15-2 is completely closed when the dynamic seal below the water outlet round hole 15-2 is shielded; when the control unit 9 controls the motor to reversely rotate, the adjusting shaft 13-6 axially moves upwards, shielding of the water outlet round hole 15-2 is gradually reduced, the opening of the water outlet round hole 15-2 is increased until the water outlet round hole 15-2 is not shielded, and the opening is opened to the maximum.
When the on-site pipe column is constructed, the tool carries the single-core steel pipe cable to enter a target horizon along with the oil pipe, and is matched with the interval packing tool to realize multi-layer section measuring and adjusting water injection, and ground equipment provides electric power for the downhole tool through the single-core steel pipe cable, and meanwhile bidirectional signal transmission with the downhole tool is realized.
When in site water injection operation, fluid enters the injection channel 4-1 of the body 4 through the upper joint 1, when the fluid passes through the water inlet hole 4-3, part of the fluid is continuously injected downwards along the injection channel 4-1, part of the fluid enters the central channel of the water nozzle sleeve 15 through the water inlet hole 4-3 and the water inlet round hole 15-3, and then is injected into a target stratum through the water outlet round hole 15-2 and the water injection hole 4-4.
During the on-site measuring and adjusting operation, the water injection measuring and adjusting is realized by the following modes:
the first step: the ground equipment sends parameter test instructions to the underground tool of the application through a steel pipe cable, the control unit 9 receives the ground instructions and transmits the injection pressure of the ceramic orifice plate 14 monitored by the pressure sensor module 16-2 to the ground control equipment;
and a second step of: the ground equipment calculates the water injection quantity of the ceramic pore plate 14 according to the working principle and the calculation formula of the differential pressure flowmeter, and compares the water injection quantity data with the oil reservoir demand injection allocation quantity;
and a third step of: when the actual water injection quantity is smaller than the oil reservoir required injection quantity, the ground equipment sends an injection allocation increasing instruction to the underground tool, and after receiving the ground instruction, the control unit 9 controls the motor in the motor module 13-3 to reversely rotate, so that the opening of the water outlet round hole 15-2 is increased, and the water injection quantity is increased; when the actual water injection amount is larger than the oil reservoir required water injection amount, the ground equipment sends an injection allocation reducing instruction to the underground tool, and after receiving the ground instruction, the control unit 9 controls the motor in the motor module 13-3 to rotate forwards, so that the opening of the water outlet round hole 15-2 is reduced, and the water injection amount is reduced; in the water injection quantity adjusting process, the pressure sensor module 16-2 continuously monitors the injection pressure before and after the ceramic pore plate 14 and feeds back the injection pressure to the ground equipment through the control unit 9, the ground equipment acquires the water injection quantity in the water injection quantity adjusting process in real time, and when the actual water injection quantity is within 5% of the oil reservoir injection quantity allocation error, the water injection quantity adjusting is finished, and the water injection quantity measuring and adjusting operation is completed.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. The utility model provides a big displacement cable control survey transfers intelligent water injection mandrel, includes upper joint (1), body (4) and lower clutch (5) that connect gradually, its characterized in that:
an eccentric flow passage is formed in the upper connector (1), an axial through hole is formed at one side of the eccentric flow passage, a first cable connector (6-1) is arranged at the upper part of the axial through hole, and a first bus connector (7-1) is arranged at the lower part of the axial through hole; an eccentric flow passage is formed in the lower connector (5), an axial through hole is formed at one side of the eccentric flow passage, a second bus connector (7-2) is arranged at the upper part of the axial through hole, and a second cable connector (6-2) is arranged at the lower part of the axial through hole;
an injection channel (4-1) and a sealing cavity (4-2) are axially arranged in the body (4), and the injection channel (4-1) is communicated with eccentric flow channels of the upper joint (1) and the lower joint (5); the middle lower part of the partition wall between the injection channel (4-1) and the sealing cavity (4-2) is radially penetrated with a water inlet hole (4-3); the middle part of the outer wall of the body (4) is radially penetrated with a water injection hole (4-4);
a control unit (9), an adjusting module (13), a water nozzle sleeve (15) and a pressure nipple (16) which are connected with each other are sequentially arranged in the sealing cavity (4-2) from top to bottom; the upper end of the control unit (9) is provided with a wiring port, and the lower end of the control unit is connected with a wiring joint (12); the adjusting module (13) comprises a motor module (13-3), the motor module (13-3) is connected with an adjusting shaft (13-6) through a transmission shaft (13-5), and the adjusting shaft (13-6) reciprocates up and down in the water outlet round hole (15-2); the upper part and the lower part of the water nozzle sleeve (15) are respectively provided with a water outlet round hole (15-2) and a water inlet round hole (15-3) which radially penetrate, and the positions of the water inlet round hole (15-3) and the water outlet round hole (15-2) are respectively corresponding to the water inlet hole (4-3) and the water injection hole (4-4); a ceramic pore plate (14) is arranged between the water inlet round hole (15-3) and the water outlet round hole (15-2) in the water nozzle sleeve (15); the communication of the pressure nipple (16), the communication of the power line and the adjusting module (13) and the power line are jointly connected to the connecting joint (12).
2. The large displacement cable control metering intelligent water distributor as claimed in claim 1, wherein: the upper joint (1) is connected with the body (4) through a first connecting sleeve (2-1) and a first pressing block (3-1); the body (4) is connected with the lower joint (5) through a second connecting sleeve (2-2) and a second pressing block (3-2).
3. The large displacement cable control metering intelligent water distributor as claimed in claim 2, wherein: the first pressing block (3-1) is in threaded connection with the outer wall of the lower end of the upper joint (1), the first connecting sleeve (2-1) is sleeved outside the first pressing block (3-1), and the middle part of the inner wall of the first connecting sleeve (2-1) is in threaded connection with the outer wall of the upper end of the body (4); the second pressing block (3-2) is in threaded connection with the outer wall of the lower end of the body (4), the second connecting sleeve (2-2) is sleeved outside the second pressing block (3-2), and the middle part of the inner wall of the second connecting sleeve (2-2) is in threaded connection with the outer wall of the upper end of the lower joint (5).
4. The large displacement cable control metering intelligent water distributor as claimed in claim 1, wherein: a first anti-rotation block (8-1) is arranged between the lower end of the axial through hole of the upper joint (1) and the upper end of the sealing cavity (4-2); a second anti-rotation block (8-2) is arranged between the lower end of the sealing cavity (4-2) and the upper end of the axial through hole of the lower joint (5).
5. The large displacement cable control metering intelligent water distributor as claimed in claim 1, wherein: the control unit (9) comprises a control module (9-1), a protection cylinder (9-2) is arranged outside the control module (9-1), and the lower end of the protection cylinder (9-2) is connected with an adjusting module (13) through a connecting sleeve (10).
6. The large displacement cable control metering intelligent water distributor as claimed in claim 1, wherein: the motor module (13-3) is sleeved with a sleeve (13-4), the upper end of the sleeve (13-4) is connected with the connecting sleeve (10) through the penetrating sleeve (13-1), and the lower end of the sleeve (13-4) is connected with the water nozzle sleeve (15); and the penetrating sleeve (13-1) is radially provided with a wire passing hole penetrating through the wall thickness of the single side.
7. The large displacement cable control metering intelligent water distributor as claimed in claim 1, wherein: a crescent groove (15-1) which axially penetrates is arranged between the inner wall and the outer wall of the water nozzle sleeve (15).
8. The intelligent water distributor for controlling, measuring and adjusting a large-displacement cable according to claim 7, wherein: the crescent grooves (15-1), the water outlet round holes (15-2) and the water inlet round holes (15-3) are distributed at an included angle of 90 degrees on the radial circumference.
9. The large displacement cable control metering intelligent water distributor as claimed in claim 1, wherein: the pressure nipple (16) comprises a threading nipple (16-1), a pressure sensor module (16-2) and an outer barrel (16-3); the upper end and the lower end of the threading nipple (16-1) are respectively connected with the water nozzle sleeve (15) and the outer cylinder (16-3); the pressure sensor module (16-2) is integrated inside the outer cylinder (16-3); the threading nipple (16-1) is radially provided with a single-side through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311157769.XA CN117211745A (en) | 2023-09-08 | 2023-09-08 | Large-displacement cable control, measurement and adjustment intelligent water distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311157769.XA CN117211745A (en) | 2023-09-08 | 2023-09-08 | Large-displacement cable control, measurement and adjustment intelligent water distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117211745A true CN117211745A (en) | 2023-12-12 |
Family
ID=89050452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311157769.XA Pending CN117211745A (en) | 2023-09-08 | 2023-09-08 | Large-displacement cable control, measurement and adjustment intelligent water distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117211745A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569781A (en) * | 2024-01-16 | 2024-02-20 | 西安洛科电子科技股份有限公司 | One-sealing double-matching intelligent water injection instrument |
-
2023
- 2023-09-08 CN CN202311157769.XA patent/CN117211745A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569781A (en) * | 2024-01-16 | 2024-02-20 | 西安洛科电子科技股份有限公司 | One-sealing double-matching intelligent water injection instrument |
| CN117569781B (en) * | 2024-01-16 | 2024-04-12 | 西安洛科电子科技股份有限公司 | One-sealing double-matching intelligent water injection instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117211745A (en) | Large-displacement cable control, measurement and adjustment intelligent water distributor | |
| CN109681159B (en) | Oil field multitube layering water injection string | |
| CN108798618A (en) | A kind of integrated intelligence control injection allocation apparatus in hydraulic pressure packing type underground | |
| CN112240185B (en) | Injection regulating assembly, injection allocator, and polymer injection dynamic blending device and process | |
| CN213450276U (en) | Cable type intelligent separate mining device | |
| CN103321619B (en) | Polymer injection and water injection layered continuously-adjustable injection distribution device | |
| CN202338307U (en) | Automatic eccentric water distributor | |
| CN103352678B (en) | Layering continuously adjustabe injection allocation apparatus is selected in the poly-water filling of note | |
| CN209483322U (en) | A kind of direct-reading intelligence dispensing water dispensing apparatus | |
| CN106567697B (en) | Blending device | |
| CN116556907A (en) | Balanced pressure anti-blocking type intelligent layered polymer injection device | |
| CN202937241U (en) | Bridge type eccentricity water distributor | |
| CN103306649B (en) | Baffle type crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well | |
| CN109322646B (en) | Separate injection pipe column for oil well water injection and use method | |
| CN109779547B (en) | Downhole liquid flow reversing tool | |
| CN202832382U (en) | Safety valve of ground hydraulic control water injection well | |
| CN109322648B (en) | Separate injection pipe column for oil well water injection and use method | |
| CN104775798B (en) | Full well quantitative injection device | |
| CN215108868U (en) | Intelligent sealing water distributor for cable layered water injection technology | |
| CN205955713U (en) | Water injection well ground water injection mandrel | |
| CN109505569A (en) | A kind of direct-reading intelligence dispensing water dispensing apparatus | |
| CN204691751U (en) | A kind of high angle hole injection well downhole flow regulator layering tool | |
| CN111894559A (en) | Inner channel decompression restrictor | |
| CN102797435A (en) | Safety valve of ground hydraulic control water injection well | |
| CN204627445U (en) | The shunting connector of double layer continuous oil pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |